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Defender Yara engine warning

I’m getting this warning in PHP error log:
PHP Warning: Invalid argument supplied for foreach() in /var/web/site/public_html/wp-content/plugins/wp-defender/app/module/scan/behavior/pro/scans/yara-engine.php on line 56
on the site hosted with WPMU DEV

Tue, 25 Feb 2020 6:11:18
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  • Adam
    • Support Gorilla

    Hi Pucel

    I hope you’re well today!

    This is only a warning and shouldn’t cause any issues, it’s mostly for information. There’s been new YARA rules implemented so that might have triggered it, it should eventually go away but shouldn’t affect performance.

    I know that original issue was the site being down. Since this was addressed, did you experience any additional/new performance issues?

    Best regards,
    Adam